A free and lightweight solution for user key re-mapping during runtime.
Version 2.0 is now easier to implement and supports the rebinding of mouse buttons.
Includes PlayMaker support with custom actions - requires the separate purchase of PlayMaker
As of Unity 5.3 there is no access to the Input Manager making it impossible for players to re-map or re-bind keys while playing the game.
Click To Bind is two custom scripts that change this. Click To Bind is designed to work with the UGUI system.
Brief documentation and a demo scene are included. Or can be found as a google document
Why is it free? Because its lightweight and it just seems like it should be...